https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115213
Bug ID: 115213 Summary: [15 regression] Excessive memory use compiling rust with 32-bit gcc Product: gcc Version: 15.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org Target Milestone: --- Host: i386-pc-solaris2.11, sparc-sun-solaris2.11, i686-pc-linux-gnu Target: i386-pc-solaris2.11, sparc-sun-solaris2.11, i686-pc-linux-gnu Build: i386-pc-solaris2.11, sparc-sun-solaris2.11, i686-pc-linux-gnu Between 20240523 (f0a02467bbc35a478eb82f5a8a7e8870827b51fc) and 20240524 (51f4b47c4f4f61fe31a7bd1fa80e08c2438d76a8), memory use compiling rust with a 32-bit gcc exploded in stage 2, breaking bootstrap: cc1plus: out of memory allocating 4084 bytes after a total of 3223085056 bytes make[3]: *** [/vol/gcc/src/hg/master/local/gcc/rust/Make-lang.in:412: rust/rust-ast.o] Error 1 make[3]: *** Waiting for unfinished jobs.... cc1plus: out of memory allocating 65536 bytes after a total of 3011272704 bytes make[3]: *** [Makefile:1197: rust/rust-session-manager.o] Error 1 cc1plus: out of memory allocating 4064 bytes after a total of 3049021440 bytes make[3]: *** [/vol/gcc/src/hg/master/local/gcc/rust/Make-lang.in:422: rust/rust-macro-expand.o] Error 1 So far, I've no idea which commit in this range might be responsible. Seems to call for a reghunt.